Fabrication of core-shell Ge-GeO2 nanoneedles

• Autorzy: Pei, L. Z. , Zhao, H. S. , Tan, W. , Yu, H.Y. , Zhang, Q. F.
• Języki publikacji: EN

Abstrakty

EN

Core-shell Ge-GeO2 nanoneedles were prepared by a hydrothermal deposition using Ge and GeO2 as starting materials. The samples were characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, transmission electron microscopy and high-resolution transmission electron microscopy. The results demonstrate that the length of the samples with typical needle structure is higher than 10 žm. The obtained nanoneedles are composed of single crystalline Ge with diamond cubic structure and amorphous oxide outer layers. An explanation of the formation and growth of Ge nanoneedles is proposed, and is based on the metallic-catalyst vapour-liquid-solid and oxide-assisted growth mechanisms.

Słowa kluczowe

EN

Ge-GeO2 nanoneedles; hydrothermal deposition; characterizations

• Czasopismo: Materials Science Poland
• Rocznik: 2010
• Tom: Vol. 28, No. 1
• Strony: 77--84
• Opis fizyczny: Bibliogr. 32 poz.

Twórcy

autor

Pei, L. Z.

autor

Zhao, H. S.

autor

Tan, W.

autor

Yu, H.Y.

autor

Zhang, Q. F.

• School of Materials Science and Engineering Institute of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma´anshan, Anhui 243002 P.R. China

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